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NEET Sample Paper NEET Sample Test Paper-17

  • question_answer
    Which one of the following mineral elements plays an important role in biological nitrogen fixation?

    A)  Molybdenum              

    B)  Copper          

    C)       Manganese      

    D)       Zinc

    Correct Answer: A

    Solution :

    Molybdenum is a component of nitrogenase and nitrate reductase involved during \[{{N}_{2}}\]fixation. Copper is essential for photosynthesis and respiration. Zinc is involved in the synthesis of auxin. Manganese is the activator of enzymes involved in the nitrogen metabolism. Hence, the correct option is (a).


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